Lock set



FIG. 1 is a front view of an exterior portion of the first embodiment of the lock set showing our design;

FIG. 2 is a side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a rear view of an interior portion thereof;

FIG. 6 is a side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a front view of the exterior portion of the second embodiment of the lock set showing our design;

FIG. 9 is a rear view of the interior portion thereof;

FIG. 10 is a perspective view of the interior portion thereof;

FIG. 11 is a perspective view of the exterior portion thereof; and,

FIG. 12 is a perspective view of the interior and exterior portions thereof. 

CLAIM The ornamental design for a lock set, as shown and described. 